43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
# Copyright 2021-2022 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test that GDB handles well a thread exiting with sched-lock on. A buggy GDB
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# would hang, a fixed GDB shows the "No unwaited-for children left" message and
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# shows the prompt.
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#
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# The explanation for the original bug involved some threads with a pending
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# wait status, so we launch multiple threads, which very likely gives us that.
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standard_testfile
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if { [build_executable "failed to prepare" ${testfile} ${srcfile} \
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{debug pthreads additional_flags=-std=c99}] } {
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return
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}
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proc do_test { } {
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clean_restart $::binfile
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# One of the launched threads will report a stop on thread_func. Some
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# others will also stop on thread_func and have a pending status.
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if { ![runto "thread_func"] } {
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return
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}
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gdb_test_no_output "set scheduler-locking on"
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gdb_test "continue" "No unwaited-for children left."
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}
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do_test
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